4 Daily maintenance
4.1 Accurate maintenance
1. The electric panel produces a lot of thermal energy at run time, so we should keep it in the ventilate environment;
2. Before the technicians open the panel door and do the maintenance, the power should be cut off, and keep the surface of the components and parts clear;
3. When the technicians change the wiring inside the panel, they should pay attention to the number of wire; (The accurate views are as follows)